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Author : Antonio Fasano
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (244 download)
Download or read book A Mathematical Model for Case Hardening of Steel written by Antonio Fasano and published by . This book was released on 2007 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Lucia Panizzi
Publisher : Sudwestdeutscher Verlag Fur Hochschulschriften AG
ISBN 13 : 9783838123899
Total Pages : 124 pages
Book Rating : 4.1/5 (238 download)
Download or read book On a Mathematical Model for Case Hardening of Steel written by Lucia Panizzi and published by Sudwestdeutscher Verlag Fur Hochschulschriften AG. This book was released on 2011 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: The applications of steel in industry are very diverse and widespread. The basic principle involved in heat treatment is the process of heating and cooling. The industrial process of case hardening aims to harden just the workpiece case, letting the inner part softer. The macrosopical model presented here takes into account the diffusion of carbon in the workpiece at austenitic phase, the slow diffusion at high temperature and the rapid cooling, which produces the formation of the martensitic microstructure. During this process, phase transformations in steel take place, influenced by the non homogeneous carbon distribution. The mathematical model presented here consists of a nonlinear evolution equation for the temperature, coupled with a nonlinear evolution equation for the carbon concentration, both coupled with two ordinary differential equations describing the evolution of phase fractions. Existence and uniqueness of solutions are investigated and some numerical simulations are presented.
Author : Lucia Panizzi
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (696 download)
Download or read book On a Mathematical Model for Case Hardening of Steel written by Lucia Panizzi and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Cemil Hakan Gur
Publisher : CRC Press
ISBN 13 : 1420003585
Total Pages : 754 pages
Book Rating : 4.4/5 (2 download)
Download or read book Handbook of Thermal Process Modeling Steels written by Cemil Hakan Gur and published by CRC Press. This book was released on 2008-12-22 with total page 754 pages. Available in PDF, EPUB and Kindle. Book excerpt: An Emerging Tool for Pioneering Engineers Co-published by the International Federation of Heat Treatment and Surface Engineering.Thermal processing is a highly precise science that does not easily lend itself to improvements through modeling, as the computations required to attain an accurate prediction of the microstructure and properties of work
Author : Harry Brearley
Publisher :
ISBN 13 :
Total Pages : 196 pages
Book Rating : 4.:/5 (1 download)
Download or read book The Case-hardening of Steel written by Harry Brearley and published by . This book was released on 1914 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dietmar Hömberg
Publisher :
ISBN 13 :
Total Pages : 35 pages
Book Rating : 4.:/5 (516 download)
Download or read book A Mathematical Model for Induction Hardening Including Mechanical Effects written by Dietmar Hömberg and published by . This book was released on 2002 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Simone Bökenheide
Publisher :
ISBN 13 : 9783832540999
Total Pages : 0 pages
Book Rating : 4.5/5 (49 download)
Download or read book Modelling and Simulation of Inelastic Phenomena in the Material Behaviour of Steel During Heat Treatment Processes written by Simone Bökenheide and published by . This book was released on 2015 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work deals with the mathematical modelling of material behaviour of steel during heat treatment. In the case of inelastic material behaviour, the underlying system of equations is non-linear and its equations are coupled. Therefore, the description and modelling of inelastic phenomena is especially challenging. The aim of this thesis is to model the material behaviour of steel during heating and austenitisation taking into account creep and transformation-induced plasticity. We obtain a coupled system of partial and ordinary differential equations for temperature, phase fractions and mechanical deformations. We deal with the solving of the system as well as with the implementation of the model equations. A numerical algorithm is developed in order to solve the coupled system of equations involving the inelastic quantities. Furthermore, the presented models are used to identify certain material parameters. We present results of 3D simulations of the heat treatment of a workpiece and study the material behaviour during different heat treatment scenarios. The implementation of the model equations was carried out with the open source Finite Element Toolbox ALBERTA. We validate the 3D model by means of experimental data from workpiece experiments. Another important part of this work covers the topic of multi-mechanism models. The idea of this approach is to decompose the inelastic part of the total strain into several parts, also referred to as mechanisms. We develop a two-mechanism model for creep and TRIP arising simultaneously and discuss thermodynamic consistency.
Author : Carnegie Library of Pittsburgh
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.3/5 (91 download)
Download or read book Case-hardening ... written by Carnegie Library of Pittsburgh and published by . This book was released on 1918 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Joseph R. Davis
Publisher : ASM International
ISBN 13 : 1615032509
Total Pages : 371 pages
Book Rating : 4.6/5 (15 download)
Download or read book Surface Hardening of Steels written by Joseph R. Davis and published by ASM International. This book was released on 2002-01-01 with total page 371 pages. Available in PDF, EPUB and Kindle. Book excerpt: Annotation A practical selection guide to help engineers and technicians choose the mot efficient surface hardening techniques that offer consistent and repeatable results. Emphasis is placed on characteristics such as processing temperature, case/coating thickness, bond strength, and hardness level obtained. The advantages and limitations of the various thermochemical, thermal and coating/surface modification technologies are compared
Author : Božo Smoljan
Publisher :
ISBN 13 :
Total Pages : 13 pages
Book Rating : 4.:/5 (125 download)
Download or read book Mathematical Modeling and Computer Simulation of Fatigue Properties of Quenched and Tempered Steel written by Božo Smoljan and published by . This book was released on 2011 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: The engineering and economical aspects of the optimization of steel shaft quenching and tempering were investigated. The mathematical model and method of computer simulation for the prediction of fatigue properties of quenched and tempered steel were developed. Computer simulation of the fatigue properties of quenched and tempered steel was applied in the optimization of quenching and tempering of steel shafts. The proper heat treatment process was accepted based on economical analysis. Fatigue properties of quenched and tempered steel were predicted based on micro-structure composition and yield strength. Microstructure composition and yield strength were predicted based on as-quenched hardness. The distribution of as-quenched hardness in the workpiece was predicted through computer simulation of steel quenching using a finite volume method. The as-quenched hardness was estimated based on time of cooling and on Jominy test results. It was taken into account that the mechanical properties of quenched steel directly depend on the hardness, degree of hardening, and microstructural constituents. Using a numerical simulation of microstructure and mechanical properties, it was found out that the investigated shaft has the best fatigue properties in cases when the shaft was machined or formed on proper geometry before proper quenching and tempering. Through economical analysis of the investigated shaft manufacturing, it was found out that the most suitable shaft manufacture process is to manufacture the shaft from the quenched and tempered bar. But in this case, heterogeneous microstructures of ferrite, perlite, bainite, and martensite with very low fatigue limits could appear at some critical locations.
Author : Alistair D. Fitt
Publisher : Springer Science & Business Media
ISBN 13 : 3642121101
Total Pages : 1060 pages
Book Rating : 4.6/5 (421 download)
Download or read book Progress in Industrial Mathematics at ECMI 2008 written by Alistair D. Fitt and published by Springer Science & Business Media. This book was released on 2010-07-23 with total page 1060 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 15th European Conference on Mathematics for Industry was held in the agreeable surroundings of University College London, just 5 minutes walk from the British Museum in the heart of London, over the ?ve warm, sunny days from 30 June to 4 July 2008. Participants from all over the world met with the commonaimofreinforcingthe roleofmathematics asanoverarching resource for industry and business. The conference attracted over 300 participants from 30 countries, most of them participating with either a contributed talk, a minisymposium pres- tation or a plenary lecture. ‘Mathematics in Industry’ was interpreted in its widest sense as can be seen from the range of applications and techniques described in this volume. We mention just two examples. The Alan Tayler Lecture was given by Mario Primicerio on a problem arising from moving oil through pipelines when temperature variations a?ect the shearing properties of wax and thus modify the ?ow. The Wacker Prize winner, Master’s student Lauri Harhanen from the Helsinki University of Technology, showed how a novel piece of mathematics allowed new software to capture real-time images of teeth from the data supplied by present day dental machinery (see ECMI Newsletter 44). The meeting was attended by leading ?gures from government, bu- ness and science who all shared the same aim – to promote the application of innovative mathematics to industry, and identify industrial sectors that o?er the most exciting opportunities for mathematicians to provide new insight and new ideas.
Author : Kiyoshi Funatani
Publisher : ASM International
ISBN 13 : 1615032053
Total Pages : 1214 pages
Book Rating : 4.6/5 (15 download)
Download or read book Heat Treating written by Kiyoshi Funatani and published by ASM International. This book was released on 2000-01-01 with total page 1214 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : George E. Totten
Publisher : CRC Press
ISBN 13 : 0849384532
Total Pages : 726 pages
Book Rating : 4.8/5 (493 download)
Download or read book Steel Heat Treatment written by George E. Totten and published by CRC Press. This book was released on 2006-09-28 with total page 726 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of two self-contained volumes belonging to the newly revised Steel Heat Treatment Handbook, Second Edition, this book focuses on process design, equipment, and testing used in steel heat treatment. Steel Heat Treatment: Equipment and Process Design presents the classical perspectives that form the basis of heat treatment processes while
Author : Rafael Colás
Publisher : CRC Press
ISBN 13 : 1000031675
Total Pages : 3918 pages
Book Rating : 4.0/5 ( download)
Download or read book Encyclopedia of Iron, Steel, and Their Alloys (Online Version) written by Rafael Colás and published by CRC Press. This book was released on 2016-01-06 with total page 3918 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first of many important works featured in CRC Press’ Metals and Alloys Encyclopedia Collection, the Encyclopedia of Iron, Steel, and Their Alloys covers all the fundamental, theoretical, and application-related aspects of the metallurgical science, engineering, and technology of iron, steel, and their alloys. This Five-Volume Set addresses topics such as extractive metallurgy, powder metallurgy and processing, physical metallurgy, production engineering, corrosion engineering, thermal processing, metalworking, welding, iron- and steelmaking, heat treating, rolling, casting, hot and cold forming, surface finishing and coating, crystallography, metallography, computational metallurgy, metal-matrix composites, intermetallics, nano- and micro-structured metals and alloys, nano- and micro-alloying effects, special steels, and mining. A valuable reference for materials scientists and engineers, chemists, manufacturers, miners, researchers, and students, this must-have encyclopedia: Provides extensive coverage of properties and recommended practices Includes a wealth of helpful charts, nomograms, and figures Contains cross referencing for quick and easy search Each entry is written by a subject-matter expert and reviewed by an international panel of renowned researchers from academia, government, and industry. Also Available Online This Taylor & Francis encyclopedia is also available through online subscription, offering a variety of extra benefits for researchers, students, and librarians, including: Citation tracking and alerts Active reference linking Saved searches and marked lists HTML and PDF format options Contact Taylor and Francis for more information or to inquire about subscription options and print/online combination packages. US: (Tel) 1.888.318.2367; (E-mail) [email protected] International: (Tel) +44 (0) 20 7017 6062; (E-mail) [email protected]
Author :
Publisher :
ISBN 13 :
Total Pages : 968 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1989 with total page 968 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : N. Waterman
Publisher : Taylor & Francis
ISBN 13 : 1351409913
Total Pages : 2675 pages
Book Rating : 4.3/5 (514 download)
Download or read book The Materials Selector, Second Edition written by N. Waterman and published by Taylor & Francis. This book was released on 2024-09-06 with total page 2675 pages. Available in PDF, EPUB and Kindle. Book excerpt: Despite the increased understanding we now have of materials and their properties, selecting materials for a given application remains a daunting, non-trivial task. The volume of data, inadequacies in the data, and the tens of thousands of materials to choose from can overwhelm the would-be user. The Materials Selector addresses all the problems faced by materials scientists and engineers. In its three volumes you will find the properties, performance, and processability of metals, plastics, carbon and graphite, glasses, ceramics, polymerics, and composites. The characteristics and comparative economics of the manufacturing routes that convert these materials into engineering components.
Author : Jože Korelc
Publisher : Springer
ISBN 13 : 3319390058
Total Pages : 367 pages
Book Rating : 4.3/5 (193 download)
Download or read book Automation of Finite Element Methods written by Jože Korelc and published by Springer. This book was released on 2016-06-08 with total page 367 pages. Available in PDF, EPUB and Kindle. Book excerpt: New finite elements are needed as well in research as in industry environments for thedevelopment of virtual prediction techniques. The design and implementation of novel finiteelements for specific purposes is a tedious and time consuming task, especially for nonlinearformulations. The automation of this process can help to speed up this processconsiderably since the generation of the final computer code can be accelerated by order ofseveral magnitudes.This book provides the reader with the required knowledge needed to employ modernautomatic tools like AceGen within solid mechanics in a successful way. It covers the rangefrom the theoretical background, algorithmic treatments to many different applications. Thebook is written for advanced students in the engineering field and for researchers ineducational and industrial environments.
